Test your basic knowledge of filing for Social Security benefits in our 10 question quick quiz.

New research suggests that education can raise IQ by up to 15 points—even among identical twins—challenging determinism and revealing intelligence to be more malleable than we once believed.

IQ tests are simple brain teasers that test your intelligence and critical thinking skills. These puzzles stimulate your brain and test your logical and analytical abilities. IQ tests are an excellent ...

IQ tests are considered one of the most popular puzzle games to test the intelligence of an individual. In these tests, a ...

Ask the publishers to restore access to 500,000+ books. Can You Chip In? We’re celebrating our 1 trillionth archived web page. If you find our library useful, learn how you can help us fundraise! Can ...

From twinkling constellations to stellar life cycles, this starry skywatching quiz will test your cosmic knowledge. Stars have been humanity's companions for millennia — guiding travelers, inspiring ...

An optical illusion is a type of visual puzzle that creates a misleading effect on our brain and leads to our brain's interpretations in the wrong way, and misleads our perception. This optical ...

An Optical illusion is a type puzzle that creates a misinterpretation of the brain to the reality what out eys percieves and creating a false or misleading impression of reality. This occurs because ...

For years, a claim has spread online that U.S. President Donald Trump scored 73 on an IQ test during his first year at New York Military Academy. Snopes first addressed the rumor in May 2019, but it ...

New York City, NY, Aug. 23, 2025 (GLOBE NEWSWIRE) -- In a major step toward democratizing cognitive assessment in the digital age, BestIQTest.org has launched its newly upgraded free IQ test with ...

President Donald Trump lobbed a signature zinger on Tuesday as he paused to speak with reporters before boarding Marine One en route to an artificial intelligence summit. "[Alexandria Ocasio-Cortez], ...